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        <h1 class="title">全局异常处理</h1>
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                <time datetime="2018-01-29T12:43:24.239Z" itemprop="datePublished" class="page-time">
  2018-01-29
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	<ul class="article-category-list"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/项目经验/">项目经验</a><ul class="article-category-list-child"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/项目经验/前后端分离/">前后端分离</a></li></ul></li></ul>

            
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            <ol class="post-toc"><li class="post-toc-item post-toc-level-1"><a class="post-toc-link" href="#全局异常处理"><span class="post-toc-number">1.</span> <span class="post-toc-text">全局异常处理</span></a><ol class="post-toc-child"><li class="post-toc-item post-toc-level-2"><a class="post-toc-link" href="#问题定义"><span class="post-toc-number">1.1.</span> <span class="post-toc-text">问题定义</span></a></li><li class="post-toc-item post-toc-level-2"><a class="post-toc-link" href="#解题思路"><span class="post-toc-number">1.2.</span> <span class="post-toc-text">解题思路</span></a></li><li class="post-toc-item post-toc-level-2"><a class="post-toc-link" href="#具体实现"><span class="post-toc-number">1.3.</span> <span class="post-toc-text">具体实现</span></a><ol class="post-toc-child"><li class="post-toc-item post-toc-level-3"><a class="post-toc-link" href="#全局异常捕捉和处理"><span class="post-toc-number">1.3.1.</span> <span class="post-toc-text">全局异常捕捉和处理</span></a></li><li class="post-toc-item post-toc-level-3"><a class="post-toc-link" href="#错误码和错误信息统一定义"><span class="post-toc-number">1.3.2.</span> <span class="post-toc-text">错误码和错误信息统一定义</span></a></li></ol></li></ol></li></ol>
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            <time class="post-time" title="2018-01-29 20:43:24" datetime="2018-01-29T12:43:24.239Z"  itemprop="datePublished">2018-01-29</time>

            
	<ul class="article-category-list"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/项目经验/">项目经验</a><ul class="article-category-list-child"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/项目经验/前后端分离/">前后端分离</a></li></ul></li></ul>



            
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            <h1 id="全局异常处理"><a href="#全局异常处理" class="headerlink" title="全局异常处理"></a>全局异常处理</h1><h2 id="问题定义"><a href="#问题定义" class="headerlink" title="问题定义"></a>问题定义</h2><p>全局统一处理异常，返回错误信息和错误码的JSON数据。</p>
<h2 id="解题思路"><a href="#解题思路" class="headerlink" title="解题思路"></a>解题思路</h2><p>用spring boot的注解方式@ControllerAdvice实现全局捕捉异常，@ExceptionHandler实现对某类异常统一处理。统一定义异常返回的信息和错误码。</p>
<h2 id="具体实现"><a href="#具体实现" class="headerlink" title="具体实现"></a>具体实现</h2><h3 id="全局异常捕捉和处理"><a href="#全局异常捕捉和处理" class="headerlink" title="全局异常捕捉和处理"></a>全局异常捕捉和处理</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span 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class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(IncorrectCredentialsException.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">incorrectCredentialsExceptionHandler</span><span class="params">(IncorrectCredentialsException e)</span> </span>&#123;</span><br><span class="line">        System.out.println(<span class="string">"&gt;&gt;&gt;密码错误&lt;&lt;&lt;"</span>);</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">1012</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 账号异常</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> e</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(UnknownAccountException.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">unknownAccountExceptionHandler</span><span class="params">(UnknownAccountException e)</span> </span>&#123;</span><br><span class="line">        System.out.println(<span class="string">"&gt;&gt;&gt;用户不存在&lt;&lt;&lt;"</span>);</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">1012</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 用户验证异常</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> e</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(AuthenticationException.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">authenticationExceptionHandler</span><span class="params">(AuthenticationException e)</span> </span>&#123;</span><br><span class="line">        System.out.println(<span class="string">"&gt;&gt;&gt;登陆验证异常&lt;&lt;&lt;"</span>);</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">1015</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 运行时异常</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> runtimeException</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(RuntimeException.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">runtimeExceptionHandler</span><span class="params">(RuntimeException runtimeException)</span> </span>&#123;</span><br><span class="line">        runtimeException.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">1000</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 空指针异常</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> ex</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(NullPointerException.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">nullPointerExceptionHandler</span><span class="params">(NullPointerException ex)</span> </span>&#123;</span><br><span class="line">        ex.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">1001</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 类型转换异常</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> ex</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(ClassCastException.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">classCastExceptionHandler</span><span class="params">(ClassCastException ex)</span> </span>&#123;</span><br><span class="line">        ex.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">1002</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * IO异常</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> ex</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(IOException.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">iOExceptionHandler</span><span class="params">(IOException ex)</span> </span>&#123;</span><br><span class="line">        ex.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">1003</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 未知方法异常</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> ex</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(NoSuchMethodException.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">noSuchMethodExceptionHandler</span><span class="params">(NoSuchMethodException ex)</span> </span>&#123;</span><br><span class="line">        ex.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">1004</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 数组越界异常</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> ex</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(IndexOutOfBoundsException.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">indexOutOfBoundsExceptionHandler</span><span class="params">(IndexOutOfBoundsException ex)</span> </span>&#123;</span><br><span class="line">        ex.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">1005</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 400错误</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> ex</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(&#123;HttpMessageNotReadableException.class&#125;)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">requestNotReadable</span><span class="params">(HttpMessageNotReadableException ex)</span> </span>&#123;</span><br><span class="line">        System.out.println(<span class="string">"400..requestNotReadable"</span>);</span><br><span class="line">        ex.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">400</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 400错误</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> ex</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(&#123;TypeMismatchException.class&#125;)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">requestTypeMismatch</span><span class="params">(TypeMismatchException ex)</span> </span>&#123;</span><br><span class="line">        System.out.println(<span class="string">"400..TypeMismatchException"</span>);</span><br><span class="line">        ex.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">400</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 400错误</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> ex</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(&#123;MissingServletRequestParameterException.class&#125;)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">requestMissingServletRequest</span><span class="params">(MissingServletRequestParameterException ex)</span> </span>&#123;</span><br><span class="line">        System.out.println(<span class="string">"400..MissingServletRequest"</span>);</span><br><span class="line">        ex.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">400</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 405错误</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(&#123;HttpRequestMethodNotSupportedException.class&#125;)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">request405</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        System.out.println(<span class="string">"405..."</span>);</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">405</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 406错误</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(&#123;HttpMediaTypeNotAcceptableException.class&#125;)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">request406</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        System.out.println(<span class="string">"406..."</span>);</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">406</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 500错误</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> runtimeException</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(&#123;ConversionNotSupportedException.class, HttpMessageNotWritableException.class&#125;)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">server500</span><span class="params">(RuntimeException runtimeException)</span> </span>&#123;</span><br><span class="line">        System.out.println(<span class="string">"500..."</span>);</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">500</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 所有异常报错</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> request</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> exception</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     * <span class="doctag">@throws</span> Exception</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@ExceptionHandler</span>(value = Exception.class)</span><br><span class="line">    <span class="meta">@ResponseBody</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> AjaxResult <span class="title">allExceptionHandler</span><span class="params">(HttpServletRequest request,</span></span></span><br><span class="line"><span class="function"><span class="params">                                          Exception exception)</span> <span class="keyword">throws</span> Exception </span>&#123;</span><br><span class="line">        exception.printStackTrace();</span><br><span class="line">        <span class="keyword">return</span> ErrorReturnFormat.retParam(<span class="number">0</span>, <span class="keyword">null</span>);</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<h3 id="错误码和错误信息统一定义"><a href="#错误码和错误信息统一定义" class="headerlink" title="错误码和错误信息统一定义"></a>错误码和错误信息统一定义</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">ErrorReturnFormat</span> </span>&#123;</span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">static</span> Map&lt;String, String&gt; messageMap = <span class="keyword">new</span> HashMap&lt;&gt;();</span><br><span class="line"></span><br><span class="line">    <span class="comment">//初始化状态码与文字说明</span></span><br><span class="line">    <span class="keyword">static</span> &#123;</span><br><span class="line">        messageMap.put(<span class="string">"0"</span>, <span class="string">"未知错误！"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"210"</span>, <span class="string">"登陆后才能进行其他操作！"</span>);</span><br><span class="line"></span><br><span class="line">        messageMap.put(<span class="string">"400"</span>, <span class="string">"Bad Request!"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"401"</span>, <span class="string">"NotAuthorization"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"405"</span>, <span class="string">"Method Not Allowed"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"406"</span>, <span class="string">"Not Acceptable"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"500"</span>, <span class="string">"Internal Server Error"</span>);</span><br><span class="line"></span><br><span class="line">        messageMap.put(<span class="string">"1000"</span>, <span class="string">"[服务器]运行时异常"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1001"</span>, <span class="string">"[服务器]空值异常"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1002"</span>, <span class="string">"[服务器]数据类型转换异常"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1003"</span>, <span class="string">"[服务器]IO异常"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1004"</span>, <span class="string">"[服务器]未知方法异常"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1005"</span>, <span class="string">"[服务器]数组越界异常"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1006"</span>, <span class="string">"[服务器]网络异常"</span>);</span><br><span class="line"></span><br><span class="line">        messageMap.put(<span class="string">"1010"</span>, <span class="string">"用户未注册"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1011"</span>, <span class="string">"用户已注册"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1012"</span>, <span class="string">"用户名或密码错误"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1013"</span>, <span class="string">"用户帐号冻结"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1014"</span>, <span class="string">"用户信息编辑失败"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1015"</span>, <span class="string">"用户信息失效，请重新获取"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1016"</span>, <span class="string">"注册失败"</span>);</span><br><span class="line"></span><br><span class="line">        messageMap.put(<span class="string">"1020"</span>, <span class="string">"验证码发送失败"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1021"</span>, <span class="string">"验证码失效"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1022"</span>, <span class="string">"验证码错误"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1023"</span>, <span class="string">"验证码不可用"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1029"</span>, <span class="string">"短信平台异常"</span>);</span><br><span class="line"></span><br><span class="line">        messageMap.put(<span class="string">"1040"</span>, <span class="string">"无浏览商品"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1041"</span>, <span class="string">"添加失败,商品种类超出上限"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1042"</span>, <span class="string">"商品不存在"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"1043"</span>, <span class="string">"商品删除失败"</span>);</span><br><span class="line"></span><br><span class="line">        messageMap.put(<span class="string">"2010"</span>, <span class="string">"缺少参数或值为空"</span>);</span><br><span class="line"></span><br><span class="line">        messageMap.put(<span class="string">"2029"</span>, <span class="string">"参数不合法"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"2020"</span>, <span class="string">"无效的Token"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"2021"</span>, <span class="string">"无操作权限"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"2022"</span>, <span class="string">"RSA解密失败,密文数据已损坏"</span>);</span><br><span class="line">        messageMap.put(<span class="string">"2023"</span>, <span class="string">"请重新登录"</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> AjaxResult <span class="title">retParam</span><span class="params">(<span class="keyword">int</span> status, Object data)</span> </span>&#123;</span><br><span class="line">        AjaxResult ajaxResult = <span class="keyword">new</span> AjaxResult(status, messageMap.get(String.valueOf(status)), data);</span><br><span class="line">        <span class="keyword">return</span> ajaxResult;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"><span class="comment">//有更多其他异常信息需要自行定义</span></span><br></pre></td></tr></table></figure>
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